package com.heima.admin.service.impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.admin.mapper.AdUserMapper;
import com.heima.admin.service.AdminUserService;
import com.heima.model.admin.dto.LoginDto;
import com.heima.model.admin.pojo.AdUser;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.utils.common.AppJwtUtil;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.util.HashMap;
import java.util.Map;

@Service
public class AdminUserServiceImpl extends ServiceImpl<AdUserMapper, AdUser> implements AdminUserService {
    @Override
    public ResponseResult login(LoginDto dto) {
            //1.检查参数
            if(StringUtils.isBlank(dto.getName()) || StringUtils.isBlank(dto.getPassword())){
                return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID,"用户名或密码为空");
            }

            //2.查询用户
        AdUser adUser = getOne(Wrappers.<AdUser>lambdaQuery().eq(AdUser::getName, dto.getName()));
        if(adUser == null){
                return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST);
            }

            //3.比对密码
            String salt = adUser.getSalt();
            String pswd = dto.getPassword();
            pswd = DigestUtils.md5DigestAsHex((pswd + salt).getBytes());
            if(pswd.equals(adUser.getPassword())){
                //4.返回数据  jwt
                Map<String,Object> map  = new HashMap<>();
                map.put("token", AppJwtUtil.getToken(adUser.getId().longValue()));
                adUser.setSalt("");
                adUser.setPassword("");
                map.put("user",adUser);
                return ResponseResult.okResult(map);

            }else {
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
            }

    }
}
